Abstract
A polyphenol-rich extract from the seeds of fenugreek was evaluated for its protective effect against hydrogen peroxide(H2O2)-induced oxidation in normal and diabetic human erythrocytes (RBCs). RBCs, preincubated with increasing amounts of fenugreek seed extract and challenged with H2O2, were analyzed for hemolysis and lipid peroxidation. RBCs from diabetic subjects were more susceptible to oxidative hemolysis and lipid peroxidation than those from normal subjects. However preincubation with the polyphenol-rich extract significantly reduced the oxidative modifications in both the groups. The inhibition of lipid peroxidation was concentration-dependent up to 100 μl of extract, which contained 0.75mM gallic acid equivalent (GAE) of phenolic compounds. These findings demonstrate the potent antioxidant properties of the fenugreek seeds.
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KAVIARASAN, S., VIJAYALAKSHMI, K. & ANURADHA, C. Polyphenol-Rich Extract of Fenugreek Seeds Protect Erythrocytes from Oxidative Damage. Plant Foods Hum Nutr 59, 143–147 (2004). https://doi.org/10.1007/s11130-004-0025-2
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DOI: https://doi.org/10.1007/s11130-004-0025-2